/* roulang page: index */
:root{
      --ink:#1d2935;
      --muted:#6f7d89;
      --soft:#f4f7f8;
      --paper:#ffffff;
      --line:#e4eaed;
      --teal:#087f78;
      --teal-dark:#075e5a;
      --coral:#e86f51;
      --gold:#d39a42;
      --shadow:0 18px 45px rgba(28,47,58,.09);
      --radius:18px;
      --radius-sm:11px;
      --max:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(228,234,237,.9);backdrop-filter:blur(14px)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:11px;min-width:270px;font-weight:800;color:var(--ink)}
    .brand-mark{width:38px;height:38px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(8,127,120,.22)}
    .brand-name{font-size:17px;letter-spacing:0}
    .main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
    .main-nav a{color:#65747d;font-size:14px;padding:26px 0;position:relative;transition:.2s}
    .main-nav a:hover,.main-nav a.active{color:var(--teal)}
    .main-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--coral);border-radius:3px 3px 0 0}
    .nav-search{width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--teal);font-size:17px}
    .menu-toggle{display:none;border:0;background:transparent;color:var(--teal);font-size:26px}
    .hero{background:#eef7f5;border-bottom:1px solid #dcece9}
    .hero-band{min-height:410px;padding:70px 0 66px;display:flex;align-items:center;position:relative;overflow:hidden}
    .hero-band:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(8,127,120,.18);border-radius:50%;right:-80px;top:-120px}
    .hero-content{position:relative;z-index:1;max-width:870px}
    .eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:13px}
    h1{font-size:clamp(32px,4.5vw,58px);line-height:1.18;letter-spacing:0;font-weight:850;max-width:820px}
    h1 span{color:var(--teal)}
    .hero-sub{font-size:20px;margin:18px 0 12px;font-weight:700;color:#43535d}
    .hero-copy{max-width:760px;color:#65747d;font-size:16px}
    .hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(8,127,120,.18)}
    .btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px)}
    .btn-outline{background:#fff;border-color:#b9d5d1;color:var(--teal)}
    .btn-outline:hover{border-color:var(--teal);background:#f7fffd}
    .btn:focus,.nav-search:focus,input:focus{outline:3px solid rgba(232,111,81,.25);outline-offset:2px}
    main section{padding:76px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:27px}
    .section-head h2{font-size:29px;line-height:1.25;letter-spacing:0}
    .section-head p{max-width:600px;color:var(--muted);font-size:14px}
    .text-link{color:var(--teal);font-weight:700;white-space:nowrap}
    .text-link:hover{color:var(--coral)}
    .value-strip{background:#fff}
    .value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .value-item{padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
    .value-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .value-icon{width:40px;height:40px;border-radius:12px;background:#e9f5f3;color:var(--teal);display:grid;place-items:center;font-size:20px;margin-bottom:18px}
    .value-item h3{font-size:18px;margin-bottom:7px}
    .value-item p{color:var(--muted);font-size:14px}
    .matrix-section{background:var(--soft)}
    .matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .matrix-card{min-height:145px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);position:relative}
    .matrix-card strong{display:block;font-size:18px;margin-bottom:9px}
    .matrix-card p{font-size:13px;color:var(--muted)}
    .matrix-card b{position:absolute;right:17px;top:16px;color:var(--coral);font-size:20px}
    .content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .content-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s}
    .content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .poster{height:190px;object-fit:cover}
    .card-body{padding:15px 16px 17px}
    .card-title{font-size:16px;font-weight:800;margin-bottom:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .card-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--muted);font-size:12px}
    .badge{padding:3px 8px;border-radius:5px;background:#eaf5f3;color:var(--teal);font-weight:800}
    .badge.coral{background:#fff0ec;color:#c9573d}
    .score{color:var(--gold);font-weight:800}
    .dark-section{background:#20343c;color:#fff}
    .dark-section .section-head p{color:#aabcc1}
    .dark-section .section-head h2{color:#fff}
    .dark-section .content-card{background:#29444d;border-color:#3d5b63}
    .dark-section .card-title{color:#fff}
    .dark-section .card-meta{color:#b5c7ca}
    .dark-section .poster{height:175px}
    .news-section{background:#fff}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .news-card{display:grid;grid-template-columns:112px 1fr;gap:15px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);transition:.2s}
    .news-card:hover{border-color:#a9d4cf;background:#fbfefd}
    .news-card img{height:92px;object-fit:cover;border-radius:8px}
    .news-card h3{font-size:15px;line-height:1.45;margin:5px 0 7px}
    .news-card time{font-size:12px;color:var(--muted)}
    .metrics{background:#f8fbfb;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .metric{padding:9px 20px;border-left:3px solid var(--coral)}
    .metric strong{display:block;color:var(--teal);font-size:34px;line-height:1.2}
    .metric span{color:var(--muted);font-size:13px}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .timeline-item{padding:24px 22px;border-top:3px solid var(--teal);background:#fff;border-radius:0 0 var(--radius-sm) var(--radius-sm);box-shadow:0 8px 24px rgba(28,47,58,.05)}
    .timeline-item b{color:var(--coral);font-size:13px}
    .timeline-item h3{font-size:18px;margin:9px 0 7px}
    .timeline-item p{font-size:14px;color:var(--muted)}
    .assurance{background:#f6f3ed}
    .assurance-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:45px;align-items:center}
    .assurance h2{font-size:29px;line-height:1.3;margin-bottom:14px}
    .assurance p{color:var(--muted)}
    .checks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .check{padding:16px;background:#fff;border:1px solid #e7ded0;border-radius:10px}
    .check strong{display:block;font-size:15px}
    .check span{color:var(--muted);font-size:13px}
    .voices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .voice{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
    .voice p{font-size:15px;color:#52636b;margin-bottom:18px}
    .voice strong{font-size:14px}
    .voice small{display:block;color:var(--muted);margin-top:2px}
    .faq-section{background:var(--soft)}
    .faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
    .faq{border-bottom:1px solid var(--line);padding:20px 0}
    .faq summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";color:var(--teal);font-size:23px;line-height:1}
    .faq[open] summary:after{content:"−"}
    .faq p{color:var(--muted);padding:13px 35px 0 0;max-width:780px}
    .contact-section{padding:58px 0;background:var(--teal);color:#fff}
    .contact-row{display:flex;align-items:center;justify-content:space-between;gap:25px}
    .contact-row h2{font-size:30px;line-height:1.3}
    .contact-row p{color:#c5e4e0;margin-top:6px}
    .contact-row .btn{background:#fff;color:var(--teal)}
    .contact-row .btn:hover{background:#eaf5f3}
    .site-footer{background:#17272e;color:#a8bcc0;padding:52px 0 23px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:37px}
    .footer-brand{color:#fff;font-size:18px;font-weight:800;margin-bottom:12px}
    .footer-grid p{font-size:13px;max-width:290px}
    .footer-grid h3{color:#fff;font-size:14px;margin-bottom:13px}
    .footer-grid a{display:block;font-size:13px;margin:7px 0;color:#a8bcc0;transition:.2s}
    .footer-grid a:hover{color:#fff}
    .copyright{border-top:1px solid #30444a;padding-top:18px;font-size:12px;color:#82999e}
    @media(max-width:1024px){
      .brand{min-width:225px}.main-nav{gap:16px}
      .content-grid{grid-template-columns:repeat(3,1fr)}
      .matrix-grid{grid-template-columns:repeat(3,1fr)}
      .news-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,var(--max))}
      .nav-shell{height:68px}.brand-name{font-size:15px}.brand{min-width:0}
      .menu-toggle{display:block;margin-left:auto}.nav-search{display:none}
      .main-nav{display:none;position:absolute;left:15px;right:15px;top:67px;padding:8px 18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch;gap:0}
      .main-nav.open{display:flex}.main-nav a{padding:12px 0;border-bottom:1px solid #f0f3f4}.main-nav a:last-child{border:0}
      .hero-band{min-height:440px;padding:57px 0}.hero-copy{font-size:15px}.hero-sub{font-size:18px}
      main section{padding:56px 0}.section-head{display:block}.section-head h2{font-size:25px;margin-bottom:10px}.section-head .text-link{display:inline-block;margin-top:13px}
      .value-grid,.timeline,.voices{grid-template-columns:1fr}
      .matrix-grid{grid-template-columns:repeat(2,1fr)}
      .content-grid{grid-template-columns:repeat(2,1fr);gap:13px}.poster{height:170px}
      .metric-grid{grid-template-columns:repeat(2,1fr);gap:20px}.metric{padding-left:14px}
      .assurance-layout{grid-template-columns:1fr;gap:25px}.news-grid{grid-template-columns:1fr}
      .contact-row{display:block}.contact-row .btn{margin-top:20px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
    }
    @media(max-width:520px){
      h1{font-size:34px}.hero-actions .btn{width:100%}
      .matrix-grid{grid-template-columns:1fr}.content-grid{grid-template-columns:1fr 1fr}
      .poster{height:145px}.card-body{padding:12px}.card-title{font-size:14px}
      .checks{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}
      .contact-row h2{font-size:25px}
    }

/* roulang page: category1 */
:root{
 --ink:#1d2935;
 --muted:#6f7d89;
 --soft:#f4f7f8;
 --paper:#fff;
 --line:#e4eaed;
 --teal:#087f78;
 --teal-dark:#075e5a;
 --coral:#e86f51;
 --gold:#d39a42;
 --shadow:0 18px 45px rgba(28,47,58,.09);
 --radius:18px;
 --radius-sm:11px;
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid rgba(228,234,237,.9);backdrop-filter:blur(14px)}
.nav-shell{height:76px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:11px;min-width:270px;font-weight:800;color:var(--ink)}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:19px;box-shadow:0 8px 18px rgba(8,127,120,.22)}
.brand-name{font-size:17px;letter-spacing:0}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.main-nav a{color:#65747d;font-size:14px;padding:26px 0;position:relative;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--teal)}
.main-nav a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--coral);border-radius:3px 3px 0 0}
.nav-search{width:35px;height:35px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--teal);font-size:17px}
.menu-toggle{display:none;border:0;background:transparent;color:var(--teal);font-size:26px}
.hero{background:#eef7f5;border-bottom:1px solid #dcece9}
.hero-band{min-height:360px;padding:68px 0 62px;display:flex;align-items:center;position:relative;overflow:hidden}
.hero-band:after{content:"";position:absolute;width:390px;height:390px;border:1px solid rgba(8,127,120,.18);border-radius:50%;right:-95px;top:-135px}
.hero-content{position:relative;z-index:1;max-width:800px}
.eyebrow{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:13px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:0;margin-bottom:0}
h1 span{color:var(--coral)}
.hero-sub{font-size:20px;margin:18px 0 12px;font-weight:700;color:#43535d}
.hero-copy{max-width:760px;color:#65747d;font-size:16px}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 18px rgba(8,127,120,.18)}
.btn-primary:hover{background:var(--teal-dark);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:#b9d5d1;color:var(--teal)}
.btn-outline:hover{border-color:var(--teal);background:#f7fffd}
.btn:focus,.nav-search:focus,input:focus{outline:3px solid rgba(232,111,81,.25);outline-offset:2px}
main section{padding:74px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:27px}
.section-head h2{font-size:29px;line-height:1.25;letter-spacing:0;margin-bottom:0}
.section-head p{max-width:610px;color:var(--muted);font-size:14px;margin-bottom:0}
.text-link{color:var(--teal);font-weight:700;white-space:nowrap}
.text-link:hover{color:var(--coral)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{padding:25px 24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.metric strong{display:block;font-size:31px;line-height:1.1;color:var(--teal);margin-bottom:7px}
.metric span{font-size:13px;color:var(--muted)}
.matrix-section{background:var(--soft)}
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.matrix-card{min-height:162px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);position:relative;transition:.25s}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#abd2ce}
.matrix-card strong{display:block;font-size:18px;margin-bottom:9px}
.matrix-card p{font-size:13px;color:var(--muted);margin:0;max-width:205px}
.matrix-card b{position:absolute;right:17px;top:16px;color:var(--coral);font-size:20px}
.content-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.content-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s}
.content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.poster{height:190px;object-fit:cover}
.card-body{padding:15px 16px 17px}
.card-title{font-size:16px;font-weight:800;margin-bottom:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--muted);font-size:12px}
.badge{padding:3px 8px;border-radius:5px;background:#eaf5f3;color:var(--teal);font-weight:800}
.badge.coral{background:#fff0ec;color:#c9573d}
.dark-section{background:#20343c;color:#fff}
.dark-section .section-head p{color:#aabcc1}
.dark-section .section-head h2{color:#fff}
.rank-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:30px;align-items:start}
.rank-intro{padding:8px 0 0}
.rank-intro h3{font-size:25px;line-height:1.35;margin-bottom:12px}
.rank-intro p{color:#b5c7ca;max-width:390px}
.rank-list{border-top:1px solid #3d5b63}
.rank-item{display:grid;grid-template-columns:42px 1fr auto auto;gap:15px;align-items:center;padding:15px 0;border-bottom:1px solid #3d5b63}
.rank-number{font-size:19px;font-weight:800;color:var(--coral)}
.rank-name{font-weight:750}
.rank-type{font-size:12px;color:#b5c7ca}
.rank-score{color:#f0c477;font-weight:800}
.news-section{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{display:grid;grid-template-columns:112px 1fr;gap:15px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);transition:.2s}
.news-card:hover{border-color:#a9d4cf;background:#fbfefd}
.news-card img{height:92px;object-fit:cover;border-radius:8px}
.news-card h3{font-size:15px;line-height:1.45;margin:5px 0 7px}
.news-card time{font-size:12px;color:var(--muted)}
.faq-section{background:var(--soft)}
.faq-list{max-width:900px;margin:auto;border-top:1px solid var(--line)}
.faq{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--teal);font-size:23px;line-height:1}
.faq[open] summary:after{content:"−"}
.faq p{color:var(--muted);padding:13px 35px 0 0;margin:0}
.cta-section{padding:68px 0;background:#fdf7f2}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box h2{font-size:30px;margin-bottom:9px}
.cta-box p{color:var(--muted);margin:0}
.site-footer{background:#20343c;color:#fff;padding:58px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:35px;padding-bottom:38px}
.footer-brand{font-size:19px;font-weight:800;margin-bottom:12px}
.footer-grid p{color:#b5c7ca;max-width:290px;font-size:14px}
.footer-grid h3{font-size:14px;margin:0 0 14px;color:#fff}
.footer-grid a{display:block;color:#b5c7ca;font-size:13px;margin:8px 0;transition:.2s}
.footer-grid a:hover{color:#f0c477}
.copyright{border-top:1px solid #3d5b63;padding-top:19px;color:#91a8ad;font-size:12px}
@media(max-width:1024px){
 .nav-shell{gap:18px}.brand{min-width:235px}.main-nav{gap:17px}
 .matrix-grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:repeat(3,1fr)}
 .rank-layout{grid-template-columns:1fr 1.5fr}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 32px))}
 .nav-shell{height:68px}.brand{min-width:0}.brand-name{font-size:15px}.brand-mark{width:35px;height:35px}
 .main-nav{position:absolute;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:8px 20px 16px;border-bottom:1px solid var(--line);box-shadow:0 15px 25px rgba(28,47,58,.08)}
 .main-nav.open{display:flex}.main-nav a{padding:11px 0}.main-nav a.active:after{left:auto;width:32px;right:auto;bottom:8px}
 .menu-toggle{display:block;margin-left:auto}.nav-search{display:none}
 .hero-band{min-height:350px;padding:53px 0}.hero-sub{font-size:18px}
 main section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:10px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:repeat(2,1fr)}
 .rank-layout{grid-template-columns:1fr;gap:20px}.rank-intro{padding:0}
 .news-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
 .cta-box{display:block}.cta-box .btn{margin-top:22px}
}
@media(max-width:520px){
 h1{font-size:36px}.hero-copy{font-size:14px}.hero-actions{margin-top:22px}
 .matrix-grid,.content-grid,.news-grid{grid-template-columns:1fr}
 .metric strong{font-size:26px}.metric{padding:19px}
 .poster{height:220px}.rank-item{grid-template-columns:32px 1fr auto;gap:10px}.rank-type{display:none}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
 .cta-box h2{font-size:25px}
}